PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/sti.42.2.136 DP - 1966 Jun 01 TA - The British Journal of Venereal Diseases PG - 136--144 VI - 42 IP - 2 4099 - http://sti.bmj.com/content/42/2/136.short 4100 - http://sti.bmj.com/content/42/2/136.full SO - Br J Vener Dis1966 Jun 01; 42